EAE D6-58 120 Watt Rechargeable Stereo Acoustic Guitar and Vocal Amplifier is the flagship product of our Acoustic Amplifier Line. a full featured programmable Digital Mixer with Effects and Color Display. A highly intuitive UI with extensive dedicated parameter control empowers any discerning artist to unleash superb performances in any venue. The powerful 32-bit DSP engine provides a compressor, gate, mid sweepable EQ, high Pass Filter, Notch Filter, Phase reverse to each of the 4 Class-A solid-state Mic pre-amps. Builtin 11000mAh Lithium Ion Phosphate (LifePO4) battery for longer playtime and fast charging time.